Government - County go Results Found: 5 Button group with nested dropdown SLO County- Department of Social Serv... SLO County- Department of Social Services 3433 S. Higuera St San Luis Obispo CA 93403-8119 (805) 781-1835 San Luis Obispo County Integrated Waste Management Authority 870 Osos Street San Luis Obispo CA 93401 (805) 782-8530 Nonprofit First 5 SLO County 3220 S Higuera St Suite 232 San Luis Obispo CA 93401 (805) 781-4058 District 1 Supervisor, County of San Luis Obispo 1055 Monterey Street, Room D430 San Luis Obipso CA 93408 (805) 781-5450 County of San Luis Obispo- Assessor's Office 1055 Monterey Street, Ste. D360 San Luis Obispo CA 93408 (805) 781-5643